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Free Books / Crafts / Boy Mechanic Vol1 / |  |
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Gold Railroad Signals |
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Free Books / Crafts / Boy Mechanic Vol1 / | |
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Gold Railroad Signals |
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This section is from the book "The Boy Mechanic Vol. 1", by Popular Mechanics Co.. Also available from Amazon: 700 Things for Boys to Do.
Covering railroad signals with gold leaf has taken the place of painting on some roads. Gold leaf will stand the wear of the weather for 15 or 20 years, while paint requires recovering three or four times a year.
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crafts, popular mechanics, hobby, woodworking, amateur, weekend projects, boys, invention, tinkering
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